Meaning

noun the part of an animal that corresponds to the human buttocks

noun fleshy hindquarters; behind the loin and above the round

noun the fleshy part of the human body that you sit on

originFrom Middle English rumpe, from Old Norse rumpr (“rump”), from Middle Low German rump (“the bulk or trunk of a body, trunk of a tree”), ultimately from Proto-Germanic *rumpō (“trunk of a tree, log”). The ultimate origin could be related to Proto-Germanic *hrimpaną (“to wrinkle”) (Dutch rimpel and German rümpfen (“to wrinkle”)); outside of Germanic, compare Ancient Greek ῥάμφος (rhámphos, “crooked…

Etymology from Wiktionary, CC BY-SA 3.0